DE69531807D1 - Distance measurement in a communications network - Google Patents

Distance measurement in a communications network

Info

Publication number
DE69531807D1
DE69531807D1 DE69531807T DE69531807T DE69531807D1 DE 69531807 D1 DE69531807 D1 DE 69531807D1 DE 69531807 T DE69531807 T DE 69531807T DE 69531807 T DE69531807 T DE 69531807T DE 69531807 D1 DE69531807 D1 DE 69531807D1
Authority
DE
Germany
Prior art keywords
communications network
distance measurement
measurement
distance
communications
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69531807T
Other languages
German (de)
Other versions
DE69531807T2 (en
Inventor
Richard John Proctor
Thomas Slade Maddern
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson AB
Original Assignee
Marconi UK Intellectual Property Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB9413716A external-priority patent/GB9413716D0/en
Application filed by Marconi UK Intellectual Property Ltd filed Critical Marconi UK Intellectual Property Ltd
Publication of DE69531807D1 publication Critical patent/DE69531807D1/en
Application granted granted Critical
Publication of DE69531807T2 publication Critical patent/DE69531807T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0298—Wavelength-division multiplex systems with sub-carrier multiplexing [SCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/08—Time-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5603—Access techniques
    • H04L2012/5604—Medium of transmission, e.g. fibre, cable, radio
    • H04L2012/5605—Fibre
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5603—Access techniques
    • H04L2012/5609—Topology
    • H04L2012/561—Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5614—User Network Interface
    • H04L2012/5615—Network termination, e.g. NT1, NT2, PBX
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5629—Admission control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/048—Speed or phase control by synchronisation signals using the properties of error detecting or error correcting codes, e.g. parity as synchronisation signal
DE69531807T 1994-07-07 1995-07-04 Distance measurement in a communications network Expired - Fee Related DE69531807T2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9413716 1994-07-07
GB9413716A GB9413716D0 (en) 1994-07-07 1994-07-07 Telecommunications network
GB9418349 1994-09-12
GB9418349A GB9418349D0 (en) 1994-07-07 1994-09-12 Telecommunications network

Publications (2)

Publication Number Publication Date
DE69531807D1 true DE69531807D1 (en) 2003-10-30
DE69531807T2 DE69531807T2 (en) 2004-04-08

Family

ID=26305218

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69531807T Expired - Fee Related DE69531807T2 (en) 1994-07-07 1995-07-04 Distance measurement in a communications network

Country Status (5)

Country Link
US (1) US5793509A (en)
EP (1) EP0691763B1 (en)
DE (1) DE69531807T2 (en)
ES (1) ES2202341T3 (en)
GB (1) GB2291298B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1568301A (en) * 1999-06-30 2001-02-05 University Of Maryland System and method for optical wireless communication
US7106971B1 (en) 1999-06-30 2006-09-12 University Of Maryland System and method for optical wireless communication

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4261054A (en) * 1977-12-15 1981-04-07 Harris Corporation Real-time adaptive power control in satellite communications systems
US4633464A (en) * 1983-08-08 1986-12-30 At&T Bell Laboratories Control signalling arrangement for a digital transmission system
US4633646A (en) * 1985-10-29 1987-01-06 Aluminum Company Of America Capping head
GB8807050D0 (en) * 1988-03-24 1988-04-27 British Telecomm Communication system
US4937819A (en) * 1988-09-26 1990-06-26 A.T. & T. Paradyne Time orthogonal multiple virtual dce for use in analog and digital networks
US5210751A (en) * 1989-09-19 1993-05-11 Nippon Telegraph And Telephone Corporation Signal transmission system capable of performing re-transmission control in units of slots
GB8926548D0 (en) * 1989-11-24 1990-01-17 British Telecomm Passive optical network
GB9022682D0 (en) * 1990-10-18 1990-11-28 British Telecomm Passive optical network
IT1244150B (en) * 1990-11-22 1994-07-08 Face Standard Spa Alcatel METHOD FOR MEASURING DISTANCES AND TRANSMITTER AND RECEIVER STATION TO REALIZE THIS METHOD.
JPH06502971A (en) * 1990-11-22 1994-03-31 ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー test equipment
US5299044A (en) * 1992-08-24 1994-03-29 At&T Bell Laboratories Ranging method for use in TDMA systems on tree-and-branch optical networks
US5285443A (en) * 1992-08-25 1994-02-08 Motorola, Inc. Method and apparatus for synchronizing a time division duplexing communication system

Also Published As

Publication number Publication date
EP0691763B1 (en) 2003-09-24
EP0691763A3 (en) 1997-09-03
GB9513618D0 (en) 1995-09-06
US5793509A (en) 1998-08-11
EP0691763A2 (en) 1996-01-10
GB2291298A (en) 1996-01-17
DE69531807T2 (en) 2004-04-08
GB2291298B (en) 1998-07-22
ES2202341T3 (en) 2004-04-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ERICSSON AB, STOCKHOLM, SE

8328 Change in the person/name/address of the agent

Representative=s name: 2K PATENTANWAELTE BLASBERG KEWITZ & REICHEL, PARTN

8339 Ceased/non-payment of the annual fee